SEAD
Suppression of Enemy Air Defences; the doctrine of disabling enemy radar and missile systems before strikes.
Last refreshed: 7 April 2026
Why does SEAD determine who can fly safely over Iran?
Latest on SEAD
- What does SEAD mean in the Iran war?
- SEAD stands for Suppression of Enemy Air Defences, the doctrine of disabling enemy radar and missile systems before sending strike aircraft into hostile airspace. In the Iran campaign, SEAD operations are the reason Israeli and US aircraft can fly over Iranian territory.Source: Briefing #61, Lowdown
- Are Israeli SEAD strikes the reason Iran is firing fewer missiles?
- It is one of two possible explanations. Iran outbound missile fire reached its war low on 7 April; analysts cannot yet say whether SEAD has destroyed Iranian launchers or whether Tehran is deliberately conserving missiles for a single concentrated strike.Source: Briefing #61, Lowdown
- How does SEAD actually work?
- SEAD uses anti-radiation missiles that home in on radar emissions, electronic warfare jamming aircraft, and dedicated platforms like the EA-37B Compass Call to neutralise enemy surface-to-air missile systems and radars before strike aircraft enter contested airspace.Source: Briefing #61, Lowdown
- Has the US run out of SEAD missiles?
- Not yet, but the cost is high. The Iran campaign has consumed anti-radiation missiles, jamming hours, and over a thousand JASSM-ERs from Pacific Command stocks, opening an 18-30 month restock gap that has reduced the strike capacity available for any future Pacific contingency.Source: Briefing #61, Lowdown
Background
SEAD (Suppression of Enemy Air Defences) operations have been the foundation of Israeli and US air freedom over Iranian territory since the campaign began. The doctrine combines anti-radiation missiles that home in on radar emissions, electronic warfare jamming, and dedicated platforms (most recently the EA-37B Compass Call rushed forward to replace the destroyed E-3 Sentry) to neutralise an adversary's surface-to-air missile and radar networks before strike aircraft enter contested airspace. Defence Secretary Pete Hegseth's claim on 7 April that Iran's outbound missile rate had reached its war low hinges directly on whether SEAD has succeeded.
SEAD has been a NATO-standard mission since the Vietnam-era Wild Weasel programmes, but the Iran campaign has tested it at industrial scale. Successive Israeli and US strikes have systematically degraded Iran's integrated air defence system, including S-300 and Bavar-373 batteries supplied by Russia and shorter-range Tor and Pantsir systems. By early April, US officials assessed that SEAD operations had created sustained corridors of air superiority over the principal target areas, though the cost in anti-radiation missiles and electronic warfare flight hours has compounded the broader munitions shortage that already cost the US over a thousand JASSM-ERs from Pacific Command stocks.
The wider significance is attritional. SEAD is the operational counterpart to the same arithmetic that has emptied Israel's Arrow-3 stocks and forced US carriers further from the Iranian coast . Whether Iran's sudden missile pause reflects launchers genuinely destroyed by SEAD strikes, or radars deliberately switched off and crews holding stockpiles for one decisive salvo, is the unresolved question of the next 72 hours.